/* hello.c - A hello world program. (Simple template for new commands.) * * Copyright 2012 Rob Landley <rob@landley.net> * * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/cmdbehav.html USE_HELLO(NEWTOY(hello, 0, TOYFLAG_USR|TOYFLAG_BIN)) config HELLO bool "hello" default n help usage: hello [-s] A hello world program. You don't need this. Mostly used as a simple template for adding new commands. Occasionally nice to smoketest kernel booting via "init=/usr/bin/hello". */ #define FOR_hello #include "toys.h" GLOBALS( int unused; ) void hello_main(void) { xprintf("Hello world\n"); // Avoid kernel panic if run as init. if (getpid() == 1) wait(&TT.unused); }